Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection on your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, https://bookmarklogin.com/story19586940/bip39-https-linktr-ee-bip39-a-review-of-bip39-generator